Home / 18,586.45-27,881.50-6,105.97

Finding the Fourth Proportional to 18,586.45, 27,881.50 and 6,105.97

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Solution

The fourth proportional to 18,586.45, 27,881.50 and 6,105.97 is: 9,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.45 : 27,881.50 = 6,105.97 : x
  2. Step 2: Convert to fraction form
    18,586.45/27,881.50 = 6,105.97/x
  3. Step 3: Cross multiply
    18,586.45x = 27,881.50 × 6,105.97
  4. Step 4: Simplify right side
    18,586.45x = 170,243,602.56
  5. Step 5: Solve for x
    x = 170,243,602.56/18,586.45
  6. Step 6: Final answer
    x = 9,159.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.